Common Name: Kousso. Hagenia abyssinica. Drawing of the leaves, flowers, fruits and seed. Photograph by: Franz Eugen Köhler, Köhler’s Medizinal-Pflanzen. This study provides insight into the medicinal importance of Hagenia abyssinica as well as the degree of threat on its population. Throughout history, Hagenia abyssinica has been used as an anthelmintic in Ethiopia and other parts of Africa. Almost every Ethiopian used to.

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Please review the contents of the section and add the appropriate references if you can. This species at Kew Specimens of Hagenia abyssinica flowers, stem, bark and wood are held in Kew’s Economic Botany Collection in the Sir Joseph Banks Building, where they are available to researchers by appointment.

Pharmacological research is underway in Ethiopia. Gleditsia triacanthos Golden Honey Locust. For more on the ethnomedicinal uses of Hagenia abyssinica visit: Liverworts Mosses True Mosses Club.

Small and dry, remaining hidden within the dried flower parts. Use of Kosso was borrowed from Ethiopia, where as Richard Hagsnia quotes Merab as saying that “to mention it was to cover a quarter of that country’s pharmacopeia.

The head of the tapeworm scolex is seldom expelled, so the worm can regrow, hence the need to repeat the treatment every 1—3 months.

Hagenia abyssinica | New Zealand Plant Conservation Network

Kosso wood is not durable, and is subject to attack by borers and termites. Commercial kosin extraction from flowers depends havenia quality, demand and price.

There have been previous efforts to bring this abyssinicaa into conservation and propagation programmes, however, due to its increasing rarity and limited cultivation, there is a great need to increase conservation work of this highly utilised species which is a key part of the Afromontane forests.


Although it is often stated that female flowers should be used, most tests reveal no difference in effect between male and female flowers. Inflorescences are collected mainly from the wild, dried and abyssiniva, and can be used throughout the year. Almost every Ethiopian used to drink an extraction of dried flowers once every months to expel tapeworm, which was, and to some extent hagenja is, a common parasite in Ethiopia where raw meat, a source of infection, is a delicacy and a very popular item in the diet.

Individual trees are either male or female, but sometimes polygamous. Young trees have poor competitive ability.

G to L Common names with photo. It is a very rare plant in New Zealand and is seldom found growing. Flora of Tropical East Africa, Rosaceae: This section with questionable factual accuracy needs more medical references for hagfnia or relies too heavily on primary sources. In-vitro tests qbyssinica shown cytotoxic effects against carcinomous cells. Hagenia abyssinica is an important medicinal plant in Africa that societies relied on for generations for combating various ailments.

Kew Backbone Distributions Hedberg, I. It is used locally for its medicinal properties; an infusion of dried female flowers is used to treat tapeworm, the roots are cooked with meat to make a soup for treating general illness and malaria and the bark can be used to treat diarrhoea and stomach ache.


Hagenia abyssinica

Johnswort Idesia polycarpa Wonder Tree. With the advent of chemical anthelmintics with reliable dosage and action, the international use of kosso as tapeworm expellent disappeared.


Journal of Ethnobiology and Ethnomedicine 6: Phytochemical studies on male and female flowers of Hagenia abyssinica by column chromatography, thin-layer chromatography and high-performance liquid chromatography.

It is a species of flowering plant native to the high-elevation Afromontane regions of central and eastern Africa. Health organisations discourage the use of this infusion as the dosage cannot be controlled, and serious side-effects of over-dosage have been reported. Eggeling, Indigenous Trees of the Uganda Protectorate, ed.

African Redwood

Ethiopian Medical Journal It is effective against most types of tapeworm in the gut, but uagenia against cysts outside the gut. Uses An infusion made using dried and pounded female flowers has aybssinica used widely against tapeworms. Fish New Zealand Freshwater. This species grows up to 25 m in height. The tree is occasionally planted around churches and villages. The wood is a beautiful dark red making it a popular timber species for furniture, floors and cabinets.

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Consequently, few trees have been planted since the mids when the laws were more strictly enforced – an unfortunate result of well-intentioned conservation laws. An infusion made using dried and pounded female flowers has been used widely against tapeworms. No germplasm collections are known. In the long term, the crude drug will abyssinicaa from use as a result of restrictions on use.